Air intake device for motorcycle

摘要

In an air intake device for motorcycle, an air cleaner having a front end formed with a main intake port is disposed between a pair of left and right main frame pieces forming a main frame. An introducing passage is formed within the main frame for capturing an incoming wind. An intake air introducing port of the introducing passage is provided at a location rearwardly of the main intake port in the main frame piece. An intake air discharge port is defined in an intermediate portion of a front portion of the main frame with respect to a motorcycle widthwise direction so as to open rearwardly and to be fluid connected with the main intake port. A sub intake port is provided in communication with the main intake port so as to introduce an intake air into the main intake port.

主权项

1. A motorcycle air intake device which comprises:
an air cleaner having a front end formed with a main intake port, the air cleaner being positioned between a pair of left and right main frame pieces forming a main frame wherein the air cleaner has a tip end having an intake duct and the main intake port is formed in the intake duct, which has a peripheral wall provided with a cutout portion, and the cutout portion is provided with a sub intake port; an introducing passage defined within the main frame to capture an incoming wind as an engine intake air; an intake air introducing port of the introducing passage provided in a portion of the main frame piece at a location rearwardly of the main intake port in the air cleaner; and an intake air discharge port defined in an intermediate portion of a front portion of the main frame with respect to a motorcycle widthwise direction, the intake air discharge port being opened rearwardly and fluidly connected with the main intake port; wherein the sub intake port is provided in communication with the main intake port to introduce intake air from a location in a vicinity of the main intake port into the main intake port.